From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH 06/17] drm: Global atomic state handling Date: Tue, 4 Nov 2014 09:40:25 +0100 Message-ID: <20141104084025.GX26941@phenom.ffwll.local> References: <1414934370-11924-1-git-send-email-daniel.vetter@ffwll.ch> <1414934370-11924-7-git-send-email-daniel.vetter@ffwll.ch> <20141103234132.GD6856@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wg0-f42.google.com (mail-wg0-f42.google.com [74.125.82.42]) by gabe.freedesktop.org (Postfix) with ESMTP id E49DA6E4CC for ; Tue, 4 Nov 2014 00:40:11 -0800 (PST) Received: by mail-wg0-f42.google.com with SMTP id k14so12978343wgh.15 for ; Tue, 04 Nov 2014 00:40:11 -0800 (PST) Content-Disposition: inline In-Reply-To: <20141103234132.GD6856@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Matt Roper Cc: Daniel Vetter , Intel Graphics Development , Fengguang Wu , DRI Development List-Id: dri-devel@lists.freedesktop.org T24gTW9uLCBOb3YgMDMsIDIwMTQgYXQgMDM6NDE6MzJQTSAtMDgwMCwgTWF0dCBSb3BlciB3cm90 ZToKPiBPbiBTdW4sIE5vdiAwMiwgMjAxNCBhdCAwMjoxOToxOVBNICswMTAwLCBEYW5pZWwgVmV0 dGVyIHdyb3RlOgo+IC4uLgo+ID4gKy8qKgo+ID4gKyAqIGRybV9hdG9taWNfZ2V0X3BsYW5lX3N0 YXRlIC0gZ2V0IHBsYW5lIHN0YXRlCj4gPiArICogQHN0YXRlOiBnbG9iYWwgYXRvbWljIHN0YXRl IG9iamVjdAo+ID4gKyAqIEBwbGFuZTogcGxhbmUgdG8gZ2V0IHN0YXRlIG9iamVjdCBmb3IKPiA+ ICsgKgo+ID4gKyAqIFRoaXMgZnVuY3Rpb25zIHJldHVybnMgdGhlIHBsYW5lIHN0YXRlIGZvciB0 aGUgZ2l2ZW4gcGxhbmUsIGFsbG9jYXRpbmcgaXQgaWYKPiA+ICsgKiBuZWVkZWQuIEl0IHdpbGwg YWxzbyBncmFiIHRoZSByZWxldmFudCBwbGFuZSBsb2NrIHRvIG1ha2Ugc3VyZSB0aGF0IHRoZSBz dGF0ZQo+ID4gKyAqIGlzIGNvbnNpc3RlbnQuCj4gPiArICoKPiA+ICsgKiBSZXR1cm5zOgo+ID4g KyAqCj4gPiArICogRWl0aGVyIHRoZSBhbGxvY2F0ZWQgc3RhdGUgb3IgdGhlIGVycm9yIGNvZGUg ZW5jb2RlZCBpbnRvIHRoZSBwb2ludGVyLiBXaGVuCj4gPiArICogdGhlIGVycm9yIGlzIEVERUFE TEsgdGhlbiB0aGUgdy93IG11dGV4IGNvZGUgaGFzIGRldGVjdGVkIGEgZGVhZGxvY2sgYW5kIHRo ZQo+ID4gKyAqIGVudGlyZSBhdG9taWMgc2VxdWVuY2UgbXVzdCBiZSByZXN0YXJ0ZWQuIEFsbCBv dGhlciBlcnJvcnMgYXJlIGZhdGFsLgo+ID4gKyAqLwo+ID4gK3N0cnVjdCBkcm1fcGxhbmVfc3Rh dGUgKgo+ID4gK2RybV9hdG9taWNfZ2V0X3BsYW5lX3N0YXRlKHN0cnVjdCBkcm1fYXRvbWljX3N0 YXRlICpzdGF0ZSwKPiA+ICsJCQkgIHN0cnVjdCBkcm1fcGxhbmUgKnBsYW5lKQo+ID4gK3sKPiA+ ICsJaW50IHJldCwgaW5kZXg7Cj4gPiArCXN0cnVjdCBkcm1fcGxhbmVfc3RhdGUgKnBsYW5lX3N0 YXRlOwo+ID4gKwo+ID4gKwlpbmRleCA9IGRybV9wbGFuZV9pbmRleChwbGFuZSk7Cj4gPiArCj4g PiArCWlmIChzdGF0ZS0+cGxhbmVfc3RhdGVzW2luZGV4XSkKPiA+ICsJCXJldHVybiBzdGF0ZS0+ cGxhbmVfc3RhdGVzW2luZGV4XTsKPiA+ICsKPiA+ICsJLyoKPiA+ICsJICogVE9ETzogV2UgY3Vy cmVudGx5IGRvbid0IGhhdmUgcGVyLXBsYW5lIG11dGV4ZXMuIFNvIGluc3RlYWQgb2YgdHJ5aW5n Cj4gPiArCSAqIGNyYXp5IHRyaWNrcyB3aXRoIGRlZmVycmluZyBwbGFuZS0+Y3J0YyBhbmQgaG9w aW5nIGZvciB0aGUgYmVzdCBqdXN0Cj4gPiArCSAqIGdyYWIgYWxsIGNydGMgbG9ja3MuIE9uY2Ug d2UgaGF2ZSBwZXItcGxhbmUgbG9ja3Mgd2UgbXVzdCB1cGRhdGUgdGhpcwo+ID4gKwkgKiB0byBv bmx5IHRha2UgdGhlIHBsYW5lIG11dGV4Lgo+ID4gKwkgKi8KPiA+ICsJcmV0ID0gZHJtX21vZGVz ZXRfbG9ja19hbGxfY3J0Y3Moc3RhdGUtPmRldiwgc3RhdGUtPmFjcXVpcmVfY3R4KTsKPiA+ICsJ aWYgKHJldCkKPiA+ICsJCXJldHVybiBFUlJfUFRSKHJldCk7Cj4gPiArCj4gPiArCXBsYW5lX3N0 YXRlID0gcGxhbmUtPmZ1bmNzLT5hdG9taWNfZHVwbGljYXRlX3N0YXRlKHBsYW5lKTsKPiA+ICsJ aWYgKCFwbGFuZV9zdGF0ZSkKPiA+ICsJCXJldHVybiBFUlJfUFRSKC1FTk9NRU0pOwo+ID4gKwo+ ID4gKwlzdGF0ZS0+cGxhbmVfc3RhdGVzW2luZGV4XSA9IHBsYW5lX3N0YXRlOwo+ID4gKwlzdGF0 ZS0+cGxhbmVzW2luZGV4XSA9IHBsYW5lOwo+ID4gKwlwbGFuZV9zdGF0ZS0+c3RhdGUgPSBzdGF0 ZTsKPiA+ICsKPiA+ICsJRFJNX0RFQlVHX0tNUygiQWRkZWQgW1BMQU5FOiVkXSAlcCBzdGF0ZSB0 byAlcFxuIiwKPiA+ICsJCSAgICAgIHBsYW5lLT5iYXNlLmlkLCBwbGFuZV9zdGF0ZSwgc3RhdGUp Owo+ID4gKwo+ID4gKwlpZiAocGxhbmVfc3RhdGUtPmNydGMpIHsKPiA+ICsJCXN0cnVjdCBkcm1f Y3J0Y19zdGF0ZSAqY3J0Y19zdGF0ZTsKPiA+ICsKPiA+ICsJCWNydGNfc3RhdGUgPSBkcm1fYXRv bWljX2dldF9jcnRjX3N0YXRlKHN0YXRlLAo+ID4gKwkJCQkJCSAgICAgICBwbGFuZV9zdGF0ZS0+ Y3J0Yyk7Cj4gPiArCQlpZiAoSVNfRVJSKGNydGNfc3RhdGUpKQo+ID4gKwkJCXJldHVybiBFUlJf Q0FTVChjcnRjX3N0YXRlKTsKPiA+ICsJfQo+IAo+IEl0J3Mgbm90IGltbWVkaWF0ZWx5IGNsZWFy IHRvIG1lIHdoeSB3ZSBuZWVkIHRvIGdldCAoY3JlYXRlKSB0aGUgY3J0Ywo+IHN0YXRlIGhlcmUu ICBJcyB0aGlzIGp1c3Qgc28gdGhhdCB3ZSBrbm93IHRvIGRvIGFuCj4gYXRvbWljX2JlZ2luKCkv YXRvbWljX2ZsdXNoKCkgb24gdGhpcyBjcnRjIGxhdGVyIG9yIGRvIHdlIGFjdHVhbGx5IHVzZQo+ IHRoZSBzdGF0ZSBpdHNlbGYgc29tZXdoZXJlIHRoYXQgSSdtIG92ZXJsb29raW5nPwoKSSBkbyB0 aGUgc2FtZSB3aGVuIGdyYWJiaW5nIHRoZSBjb25uZWN0b3Igc3RhdGUgYW5kIGFsc28gYWRkIHRo ZSBjcnRjIHRvCnRoZSBsb29rdXAgdGFibGUuIFRoZSByZWFzb25pbmcgaXMgdGhhdCBlc3NlbnRp YWxseSBJIGNvdWxkbid0IGNvbWUgdXAKd2l0aCBhbnkgc2FuZSBkcml2ZXIgaW1wbGVtZW50YXRp b24gd2hlcmUgeW91IHdvdWxkIG5vdCB3YW50IHRvIGhhdmUgdGhlCkNSVEMgc3RhdGUgKG1heWJl IGp1c3QgZm9yIGEgYml0IG9mIGJvb2sta2VlcGluZykgaWYgeW91IGVpdGhlciBoYXZlIGEKcGxh bmUgb3IgYSBjb25uZWN0b3IgdXNpbmcgaXQuIEFuZCB0aGVuIGdyYWJiaW5nIHRoZSBzdGF0ZSB3 aWxsIGFsc28gZ3JhYgp0aGUgbG9ja3MsIHdoaWNoIGlzIGZhaXJseSBjb252ZW5pZW50LgoKTm90 ZSB0aGF0IHRoZSBjb3JlIGZ1bmN0aW9ucyB0byBjaGFuZ2UgdGhlIGxpbmtzIHdpbGwgZ3JhYiB0 aGUgc3RhdGUrbG9jawpvZiB0aGUgbmV3IHRhcmdldCBmb3IgeW91LCB0b28uCgpOb3cgd2hhdCBJ IGRpZG4ndCBkbyBpcyBncmFiIF9hbGxfIHRoZSBjb25uZWN0b3JzL3BsYW5lcyBmb3IgYSBnaXZl biBjcnRjCmFzIHNvb24gYXMgeW91IGdyYWIgdGhlIGNydGNzIHN0YXRlLiBFc3BlY2lhbGx5IGZv ciBwbGFuZSB1cGRhdGVzIEkgdGhpbmsKbW9zdCBkcml2ZXJzIGRvbid0IG5lZWQgdGhhdCwgYW5k IGV2ZW4gaWYgeW91IGRvIGEgbW9kZSBjaGFuZ2UgeW91IG1pZ2h0CmJlIGFibGUgdG8gaW1wbGVt ZW50IHRoYXQgd2l0aG91dCB0b3VjaGluZyB0aGUgY29ubmVjdG9ycyBhdCBhbGwuIEUuZy4gb24K aTkxNSB3ZSBjYW4gY2hhbmdlIHRoZSBwZml0IHRvIGNoYW5nZSB0aGUgIm1vZGUiIG9uIHBhbmVs cy4KCkJ1dCB0aGVyZSBhcmUgaGVscGVycyB0byBncmFiIGFsbCBhZmZlY3RlZCBjb25uZWN0b3Jz IHNpbmNlIHRoYXQncyBuZWVkZWQKYnkgdGhlIG5ldyBhdG9taWMgbW9kZXNldCBoZWxwZXJzLiBU aGlzIHN0dWZmIGhlcmUgaXMgY29yZSwgYW5kIEkndmUgcHV0Cml0IGhlcmUgc2luY2UgSSByZWFs bHkgY291bGRuJ3QgbWFrZSB1cCBhIHNhbmUgZHJpdmVyIHRoYXQgd291bGRuJ3QgbmVlZAp0aGlz LgotRGFuaWVsCi0tIApEYW5pZWwgVmV0dGVyClNvZnR3YXJlIEVuZ2luZWVyLCBJbnRlbCBDb3Jw b3JhdGlvbgorNDEgKDApIDc5IDM2NSA1NyA0OCAtIGh0dHA6Ly9ibG9nLmZmd2xsLmNoCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWls aW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJl ZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==